Answer:
B. 13
Explanation:

Logarithm rules:

Breakdown of the expression:



insert given values


<h2>Answer</h2>

Or as ordered pairs: 
<h2>Explanation</h2>
Lets solve our system of equations step by step
equation (1)
equation (2)
1. Solve for
in equation (2)

equation (3)
2. Replace equation (3) in equation (1) and solve for 




or
3. Replace the values of
in equation (3) and solve for 
- For 


or 
- For 



or 
So, the solutions of our system of equation are:

Answer:
3
- Decimal=0.75
4
Step-by-step explanation:
You put the three, then you put a dash under it, then you put a four under the dash
Answer:
225
Step-by-step explanation:
the person chages 40 per hour with a one time service charge of 65. our equation is 40h+65 where h equal hours. the person spend 4 hour so the equation is (40x4)+65. 40x4 is 160. 160 + 65 is 225

<u>Answer:</u>
The solution to the equation is: <u>±</u><u>2</u><u>.</u>
Hope you could get an idea from here.
Doubt clarification - use comment section.